The following example redefines the domain YACHTS using the
       record definition YACHT and storing the data in the file
       DB2:[SMYTHE]YACHT.DAT:

       DTR> SHOW DOMAINS
       Domains:
            * YACHTS;1

       DTR> REDEFINE DOMAIN YACHTS
       DFN> USING YACHT ON DB2:[SMYTHE]YACHT.DAT;

       DTR> SHOW DOMAINS
       Domains:
            * YACHTS;2     * YACHTS;1